Масштабирование страницы в TWebBrowser

Советы » Браузер » Масштабирование страницы в TWebBrowser

Оформил: DeeCo Автор: http://www.swissdelphicenter.ch

procedure TForm1.Button1Click(Sender: TObject);
 begin

   //75% of original size 
  WebBrowser1.OleObject.Document.Body.Style.Zoom := 0.75;
 end
;

 procedure
 TForm1.Button2Click(Sender: TObject);
 begin

   //original size 
  WebBrowser1.OleObject.Document.Body.Style.Zoom := 1;
 end
;

 {A page must be already loaded into TWebBrowser}
 {Eine Seite muss bereits in TWebBrowser geladen sein}

 //.zoom:=0.25; //25% 
//.zoom:=0.5; //50% 
//.zoom:=1.5; //100% 
//.zoom:=2.0; //200% 
//.zoom:=5.0; //500% 
//.zoom:=10.0; //1000% 

{----------}

 uses

   OleCtrls, SHDocVw;

 { 
Suppose That you want to use for buttons to give you the zooming 
(text size) options of MSIE, 
Button1 for smallest, Button2 for small, Button3 for medium, 
Button4 for large and Button5 for Largest, 
You have to set the value of the tag property for each button as following: 
 0: for the smallest text size, 
 1: for the small, 
 2: for medium, 
 3: for large, 
 4: for the largest. 

}


 procedure
 TForm1.Button1Click(Sender: TObject);
 var

   ZoomFac: OLEVariant;
 begin

   ZoomFac := TButton(Sender).Tag;
   WebBrowser1.ExecWB(OLECMDID_ZOOM, OLECMDEXECOPT_PROMPTUSER, ZoomFac);
 end
;

Масштабирование страницы в TWebBrowser

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